Application: Rubber, Plastic, Chemical, Ceramic, Glass. Model: Biochip.
Overview
The Custom Microfluidic Lab-on-a-Chip Biochip with High-Precision Glass Etching for Medical Diagnostics is supplied as a glass microfluidic chip made from Glass,PMMA,Pdms. It is used in Rubber, Plastic, Chemical, Ceramic and Glass. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass,PMMA,Pdms |
|---|---|
| Application | Rubber, Plastic, Chemical, Ceramic, Glass |
| Model NO. | Biochip |
| Model | Customized |
| Breadth Depth Ratio | Customized |
| Accuracy | ±2um |
| Supplier | Zhejiang Zegota Precision Technology Co., Ltd. |
Technical data
| Category | Evaluation Parameter / Indicator | Tier-1 International Standard | Industry Standard / Mid-Tier | Remarks & Key Advantages |
| 1. Glass / Quartz | Processing Technology | Wet Etching / Ultrafast Femtosecond Laser Micromachining / Laser Drilling | Traditional Wet Etching / Ultrasonic Drilling | High optical clarity & chemical resistance |
| Minimum Feature Size | ≤2um (Dry)/≤10m (Wet) | 20 ~ 50um | High-precision droplet generation & cell trapping | |
| Max Aspect Ratio | >10:1 | 2:1~3:1 | Deep channels & micro-well arrays | |
| Surface Roughness ($R_a$) | < 5nm (OpticalMirror Finish) | 20~ 50nm | Ideal for high-resolution fluorescence imaging | |
| Bonding Strength | Seamless Fusion Bonding (Pressure >100 bar) | Adhesive / Standard Thermal Bonding (<10bar) | High pressure resistance, zero solvent contamination | |
| 2. Polymers (COC / COP / PMMA) | Fabrication Process | Nanoimprint Lithography (NIL) / High-Precision Injection Molding | Standard Injection Molding / CNC Micro-Milling | Designed for mass IVD chip production |
| Min Channel Width | ≤5m(NIL)/≤20 m (Molding) | 50 ~ 100 m | High reproducibility for micro/nano channels | |
| Channel Tolerance | ≤+1m | ±10m | Ensures uniform fluidic resistance & flow rate | |
| Bonding Technology | Ultrasonic Welding / Solvent-Assisted / Diffusion Bonding | Double-sided Tape / UV Adhesive | Eliminates dead volume; prevents channel clogging | |
| 3. PDMS Elastomer | Master Mold Fabrication | Silicon SU-8 Photolithography / Electroformed Metal Mold | Standard SU-8 / 3D-Printed Mold | Soft lithography micro/nano replication |
| Min Feature / Resolution | ≤1m | 10~20m | Single-cell analysis & micro-droplet control | |
| Max Aspect Ratio | >20:1 | 5:1 | High-density 3D microchannel architectures | |
| Punching & Assembly | Automated Burr-Free Punching (Diameter >0.3 mm) | Manual Punching (Prone to edge tearing) | Prevents leakage & micro-particulate contamination | |
| Plasma Bonding | Surface Modification + Permanent Covalent Bonding | Simple Short-Term Plasma Activation | Leak-proof under continuous pulsatile flow | |
| 4. Silicon Substrate & Hybrid | Processing Technology | MEMS DRIE (Deep Reactive-Ion Etching) | Standard Dry / Wet Etching | For Organ-on-a-Chip & integrated sensors |
| Min Feature Size | <0.5 um (Sub-micron) | 5 m | Nanopores and nanosieve structures | |
| Max Aspect Ratio | >30:1 | 10:1 | Ultra-high density deep channel networks | |
| 5. Surface Modification & Integration | Hydrophilic / Hydrophobic Coating | Long-Term Selective Surface Modification (Shelf Life > 6Months) | General Coating / Rapid Decay (Lasts a few days) | Essential for stable droplet/emulsion formation |
| Micro-electrode / Sensor Integration | Thin-Film Sputtered Au/Pt Electrodes (Width/Gap ≤2 um) | Screen-Printed Electrodes (Gap>100 m) | Integrated electrochemical/impedance detection | |
| Micro-valve / Micro-pump Integration | Multi-Layer PDMS Pneumatic Micro-valves (>107 Cycles,Zero Dead Volume) | External Solenoid / Manual Valves | Enables complex automated fluid routing |
What to specify when you request a quote
- Material — listed as “Glass,PMMA,Pdms”; name the glass or quartz grade.
- Outline and thickness — give outline, thickness and tolerances.
- Holes, slots and features — dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see BF33 Glass for Microfluidic Chips: Properties, Coatings & Selection Guide. How parts like this are machined and finished is covered in Glass Wafer Bonding for Microfluidic and MEMS Applications: Process Overview. For an application example, read Custom Precision Glass for Microfluidic and Biomedical Devices. A related standard product is Custom Glass Microfluidic Chip.
FAQ
What is the Custom Microfluidic Lab-on-a-Chip Biochip with High-Precision Glass Etching for Medical Diagnostics made of? expand_more
It is listed as Glass,PMMA,Pdms. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.
Where is this glass microfluidic chip used? expand_more
Listed applications: Rubber, Plastic, Chemical, Ceramic and Glass.
What should I include in a quote request? expand_more
Include material, outline and thickness, holes, slots and features, edges and surface, plus quantity and a drawing if the part is custom.
